180676420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 385781760

約数和(自身を除く): 205105340

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 229, 383, 412, 458, 515, 766, 916, 1030, 1145, 1532, 1915, 2060, 2290, 3830, 4580, 7660, 23587, 39449, 47174, 78898, 87707, 94348, 117935, 157796, 175414, 197245, 235870, 350828, 394490, 438535, 471740, 788980, 877070, 1754140, 9033821, 18067642, 36135284, 45169105, 90338210, 180676420]

約数ペア:

[(1, 180676420), (2, 90338210), (4, 45169105), (5, 36135284), (10, 18067642), (20, 9033821), (103, 1754140), (206, 877070), (229, 788980), (383, 471740), (412, 438535), (458, 394490), (515, 350828), (766, 235870), (916, 197245), (1030, 175414), (1145, 157796), (1532, 117935), (1915, 94348), (2060, 87707), (2290, 78898), (3830, 47174), (4580, 39449), (7660, 23587)]